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  • Users: Stk8
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  1. Stk8

    VFD to PLC Comm Loss Intermittent Issue

    I'm dealing with a natural gas compressor that's controlled by a Schneider ATV71 VFD and a M238 PLC that's been intermittently shutting down due to comm loss over the CANOpen bus. It's been going on since a lightning strike some time ago, according to our customer. After the strike, the drive...

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